1/* keyctl.h: keyctl command IDs
2 *
3 * Copyright (C) 2004, 2008 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _LINUX_KEYCTL_H
13#define _LINUX_KEYCTL_H
14
15#include <linux/types.h>
16
17/* special process keyring shortcut IDs */
18#define KEY_SPEC_THREAD_KEYRING		-1	/* - key ID for thread-specific keyring */
19#define KEY_SPEC_PROCESS_KEYRING	-2	/* - key ID for process-specific keyring */
20#define KEY_SPEC_SESSION_KEYRING	-3	/* - key ID for session-specific keyring */
21#define KEY_SPEC_USER_KEYRING		-4	/* - key ID for UID-specific keyring */
22#define KEY_SPEC_USER_SESSION_KEYRING	-5	/* - key ID for UID-session keyring */
23#define KEY_SPEC_GROUP_KEYRING		-6	/* - key ID for GID-specific keyring */
24#define KEY_SPEC_REQKEY_AUTH_KEY	-7	/* - key ID for assumed request_key auth key */
25#define KEY_SPEC_REQUESTOR_KEYRING	-8	/* - key ID for request_key() dest keyring */
26
27/* request-key default keyrings */
28#define KEY_REQKEY_DEFL_NO_CHANGE		-1
29#define KEY_REQKEY_DEFL_DEFAULT			0
30#define KEY_REQKEY_DEFL_THREAD_KEYRING		1
31#define KEY_REQKEY_DEFL_PROCESS_KEYRING		2
32#define KEY_REQKEY_DEFL_SESSION_KEYRING		3
33#define KEY_REQKEY_DEFL_USER_KEYRING		4
34#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING	5
35#define KEY_REQKEY_DEFL_GROUP_KEYRING		6
36#define KEY_REQKEY_DEFL_REQUESTOR_KEYRING	7
37
38/* keyctl commands */
39#define KEYCTL_GET_KEYRING_ID		0	/* ask for a keyring's ID */
40#define KEYCTL_JOIN_SESSION_KEYRING	1	/* join or start named session keyring */
41#define KEYCTL_UPDATE			2	/* update a key */
42#define KEYCTL_REVOKE			3	/* revoke a key */
43#define KEYCTL_CHOWN			4	/* set ownership of a key */
44#define KEYCTL_SETPERM			5	/* set perms on a key */
45#define KEYCTL_DESCRIBE			6	/* describe a key */
46#define KEYCTL_CLEAR			7	/* clear contents of a keyring */
47#define KEYCTL_LINK			8	/* link a key into a keyring */
48#define KEYCTL_UNLINK			9	/* unlink a key from a keyring */
49#define KEYCTL_SEARCH			10	/* search for a key in a keyring */
50#define KEYCTL_READ			11	/* read a key or keyring's contents */
51#define KEYCTL_INSTANTIATE		12	/* instantiate a partially constructed key */
52#define KEYCTL_NEGATE			13	/* negate a partially constructed key */
53#define KEYCTL_SET_REQKEY_KEYRING	14	/* set default request-key keyring */
54#define KEYCTL_SET_TIMEOUT		15	/* set key timeout */
55#define KEYCTL_ASSUME_AUTHORITY		16	/* assume request_key() authorisation */
56#define KEYCTL_GET_SECURITY		17	/* get key security label */
57#define KEYCTL_SESSION_TO_PARENT	18	/* apply session keyring to parent process */
58#define KEYCTL_REJECT			19	/* reject a partially constructed key */
59#define KEYCTL_INSTANTIATE_IOV		20	/* instantiate a partially constructed key */
60#define KEYCTL_INVALIDATE		21	/* invalidate a key */
61#define KEYCTL_GET_PERSISTENT		22	/* get a user's persistent keyring */
62#define KEYCTL_DH_COMPUTE		23	/* Compute Diffie-Hellman values */
63
64/* keyctl structures */
65struct keyctl_dh_params {
66	__s32 private;
67	__s32 prime;
68	__s32 base;
69};
70
71#endif /*  _LINUX_KEYCTL_H */
72